About the Authors

Dan Wen

Affiliation Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China

Xin Du

Affiliation Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China

Shao-Ping Nie

Affiliation Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China

Jian-Zeng Dong

Affiliation Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China

Chang-Sheng Ma

azcmuwd@gmail.com

Affiliation Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: DW. Wrote the paper: DW. Concept and design: DW. Reviewed this manuscript and approved the final version to be published: XD S-PN J-ZD C-SM.